When HIV (AIDS) was first being discovered, it was commonly being found in homosexuals, and subsequently became a negative connotation associated with all homosexuals. In reality, however, HIV/AIDS is transmitted more easily between homosexual males not using protection due to the thin internal anal tissue, known to easily tear and allow infection.

Why is HIV associated with homosexuals?
Why is HIV commonly associated with homosexuals?
Does being gay increase your chance of contracting AIDS?
Why is HIV more common among homosexuals?
Why do gay people have higher rates of HIV?